| /* |
| * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package sun.java2d.xr; |
| |
| /** |
| * Represents a single tile, used to store the rectangles covering the area |
| * of the mask where the tile is located. |
| * |
| * @author Clemens Eisserer |
| */ |
| public class MaskTile { |
| GrowableRectArray rects; |
| DirtyRegion dirtyArea; |
| |
| public MaskTile() |
| { |
| rects = new GrowableRectArray(128); |
| dirtyArea = new DirtyRegion(); |
| } |
| |
| public void calculateDirtyAreas() |
| { |
| for (int i=0; i < rects.getSize(); i++) { |
| int x = rects.getX(i); |
| int y = rects.getY(i); |
| dirtyArea.growDirtyRegion(x, y, |
| x + rects.getWidth(i), |
| y + rects.getHeight(i)); |
| } |
| } |
| |
| public void reset() { |
| rects.clear(); |
| dirtyArea.clear(); |
| } |
| |
| public void translate(int x, int y) { |
| if (rects.getSize() > 0) { |
| dirtyArea.translate(x, y); |
| } |
| rects.translateRects(x, y); |
| } |
| |
| public GrowableRectArray getRects() { |
| return rects; |
| } |
| |
| public DirtyRegion getDirtyArea() { |
| return dirtyArea; |
| } |
| } |